The 20 Best Ileostomy Doctors Near Me

Find the Experts and Specialists who perform Ileostomy

OverviewFind a DoctorLatest AdvancesClinical Trials
Advanced in Ileostomy

Dr. Walter Koltun

Colorectal Surgery
The Milton S. Hershey Medical Center
500 University Dr, 
Hershey, PA 
Advanced in Ileostomy
The Milton S. Hershey Medical Center
500 University Dr, 
Hershey, PA 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Walter Koltun is a Colorectal Surgeon in Hershey, Pennsylvania. Dr. Koltun is rated as an Advanced provider by MediFind in Ileostomy. His top areas of expertise are Viral Gastroenteritis, Diverticular Disease, Ulcerative Colitis, Ileostomy, and Colostomy.

His clinical research consists of co-authoring 114 peer reviewed articles and participating in 1 clinical trial. MediFind looks at clinical research from the past 15 years. In particular, he has co-authored 5 articles and participated in 1 clinical trial in the study of Ileostomy.

Specialties
Colorectal Surgery
Licenses
Colon & Rectal Surgery in PA
Hospital Affiliations
Milton S Hershey Medical Center
Languages Spoken
English
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

Find your insurance
Find your insuranceClose

Accepted insurance plans:

Cigna
  • EPO
  • HMO
  • PPO
Highmark
  • EPO
  • HMO
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO

Locations

The Milton S. Hershey Medical Center
500 University Dr, Hershey, PA 17033
Call: 717-531-8887

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.

1 Clinical Trials

Short Versus Long Interval to Ileostomy Reversal After Ileal Pouch Surgery for Ulcerative Colitis
Short Versus Long Interval to Ileostomy Reversal After Ileal Pouch Surgery for Ulcerative Colitis
Enrollment Status: Terminated
Publish Date: March 04, 2022
Intervention Type: Procedure
Study Phase: Not Applicable

114 Total Publications

Loss of STIM2, but not of STIM1, drives colorectal cancer metastasis through metabolic reprogramming and the ATF4 ER stress pathway.
Loss of STIM2, but not of STIM1, drives colorectal cancer metastasis through metabolic reprogramming and the ATF4 ER stress pathway.
Journal: Science signaling
Published: June 24, 2025
View All 114 Publications
Similar Doctors
Advanced in Ileostomy
Dr. Jose G. Guillem
Colorectal Surgery | General Surgery
Advanced in Ileostomy
Dr. Jose G. Guillem
Colorectal Surgery | General Surgery

The Milton S Hershey Medical Center Physicians Group

500 University Dr, 
Hershey, PA 
 (0.1 miles away)
717-531-5638
Languages Spoken:
English
See accepted insurances
Accepting New Patients

Jose Guillem is a Colorectal Surgeon and a General Surgeon in Hershey, Pennsylvania. Dr. Guillem is rated as a Distinguished provider by MediFind in Ileostomy. His top areas of expertise are Colorectal Cancer, Lynch Syndrome, Familial Colorectal Cancer, Ileostomy, and Colostomy. Dr. Guillem is currently accepting new patients.

Advanced in Ileostomy
Dr. Kevin Long
Colorectal Surgery
Advanced in Ileostomy
Dr. Kevin Long
Colorectal Surgery

Geisinger Medical Center

100 N Academy Ave, 
Danville, PA 
 (48.8 miles away)
570-271-6211
Languages Spoken:
English
See accepted insurances
Offers Telehealth

Kevin Long is a Colorectal Surgeon in Danville, Pennsylvania. Dr. Long is rated as an Advanced provider by MediFind in Ileostomy. His top areas of expertise are Colorectal Cancer, Familial Colorectal Cancer, Crohn's Disease, Ileostomy, and Colostomy.

Advanced in Ileostomy
Dr. Christopher Buzas
Colorectal Surgery
Advanced in Ileostomy
Dr. Christopher Buzas
Colorectal Surgery

Geisinger Medical Center

100 N Academy Ave, 
Danville, PA 
 (48.8 miles away)
570-271-6211
Languages Spoken:
English
See accepted insurances

Christopher Buzas is a Colorectal Surgeon in Danville, Pennsylvania. Dr. Buzas is rated as a Distinguished provider by MediFind in Ileostomy. His top areas of expertise are Familial Colorectal Cancer, Colorectal Cancer, Lynch Syndrome, Hernia Surgery, and Ileostomy.

VIEW MORE ILEOSTOMY DOCTORS

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

Find Dr. Koltun's expertise for a condition
ConditionClose
    • Distinguished
    • Colitis
      Dr. Koltun is
      Distinguished
      . Learn about Colitis.
      See more Colitis experts
    • Crohn's Disease
      Dr. Koltun is
      Distinguished
      . Learn about Crohn's Disease.
      See more Crohn's Disease experts
    • Diverticular Disease
      Dr. Koltun is
      Distinguished
      . Learn about Diverticular Disease.
      See more Diverticular Disease experts
    • Hemorrhagic Proctocolitis
      Dr. Koltun is
      Distinguished
      . Learn about Hemorrhagic Proctocolitis.
      See more Hemorrhagic Proctocolitis experts
    • Ulcerative Colitis
      Dr. Koltun is
      Distinguished
      . Learn about Ulcerative Colitis.
      See more Ulcerative Colitis experts
    • Viral Gastroenteritis
      Dr. Koltun is
      Distinguished
      . Learn about Viral Gastroenteritis.
      See more Viral Gastroenteritis experts
    • Advanced
    • Colorectal Cancer
      Dr. Koltun is
      Advanced
      . Learn about Colorectal Cancer.
      See more Colorectal Cancer experts
    • Colostomy
      Dr. Koltun is
      Advanced
      . Learn about Colostomy.
      See more Colostomy experts
    • Familial Adenomatous Polyposis
      Dr. Koltun is
      Advanced
      . Learn about Familial Adenomatous Polyposis.
      See more Familial Adenomatous Polyposis experts
    • Familial Colorectal Cancer
      Dr. Koltun is
      Advanced
      . Learn about Familial Colorectal Cancer.
      See more Familial Colorectal Cancer experts
    • Ileostomy
      Dr. Koltun is
      Advanced
      . Learn about Ileostomy.
      See more Ileostomy experts
    • Lynch Syndrome
      Dr. Koltun is
      Advanced
      . Learn about Lynch Syndrome.
      See more Lynch Syndrome experts
    View All 7 Advanced Conditions
    • Experienced
    • Anal Cancer
      Dr. Koltun is
      Experienced
      . Learn about Anal Cancer.
      See more Anal Cancer experts
    • Colonoscopy
      Dr. Koltun is
      Experienced
      . Learn about Colonoscopy.
      See more Colonoscopy experts
    • Endoscopy
      Dr. Koltun is
      Experienced
      . Learn about Endoscopy.
      See more Endoscopy experts
    • Gastroesophageal Junction Cancer
      Dr. Koltun is
      Experienced
      . Learn about Gastroesophageal Junction Cancer.
      See more Gastroesophageal Junction Cancer experts
    • Gastrointestinal Fistula
      Dr. Koltun is
      Experienced
      . Learn about Gastrointestinal Fistula.
      See more Gastrointestinal Fistula experts
    • Hernia
      Dr. Koltun is
      Experienced
      . Learn about Hernia.
      See more Hernia experts
    View All 12 Experienced Conditions
    Want to save this doctor for later?
    Sign Up
    Is this your doctor?
    Find A Second Opinion
    Not sure about your diagnosis?
    Check Your Symptoms
     
     
     
     
    Learn about our expert tiers
    Learn More
    Are you the provider on this profile?
    Claim Profile
    For Patients
    • Our Story
    • How MediFind Works
    • Conditions A-Z
    • Doctor Directory
    • Symptoms Directory
    • Procedures Directory
    • Treatment Directory
    • Drug Directory
    • Infusion Center Finder
    • FAQ
    • Contact Us
    For Providers and Practices
    • Claim Your Profile
    • Newsroom
    Business Solutions
    • Provider
    • Network Solutions
    Additional Resources
    • Consumer Health Data Privacy Policy
    • Privacy Policy
    • Terms of Use
    • Advertising Policy
    • Content Policy
    Subscribe to our newsletter

    Sign up to stay informed about MediFind and get wellness sent your way.

    Close

      By subscribing, I agree to MediFind's Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.

      Bullet PinMediFind
      Follow us on
      This information is not intended as a substitute for informed medical advice. You should work with a licensed professional to diagnose and treat health conditions. We let the data speak for itself, MediFind does not endorse any healthcare providers.
      © 2026 All Rights Reserved

      Request an Appointment

      If you are experiencing a medical emergency, call 9-1-1.

      MediFind will contact the provider for your appointment request. You’ll receive status updates by email. Your provider or MediFind will reach out to you directly by phone or email to schedule your appointment or request additional information.

        Close
        0 / 1000

        Please provide us with the below insurance information:

                By pressing the Submit button you are agreeing to MediFind’s Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.